<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
    <title></title>
    <!--标准mui.css-->
    <link href="css/mui.min.css" rel="stylesheet"/>
    <!--App自定义的css-->
    <link rel="stylesheet" href="css/app.css" />
    <!--本页面自定义的css-->
    <style>
    	a{
    		background: #f8f8f8;

    	}
    	.mui-tab-label{
    		font-size: 14px!important;
    	}
    	.mui-title{
    		color: #FFFFFF;
    	}
    	.mui-bar i{
			display: block;
    		margin-top:5%;
    	}
    	.mui-icon.iconfont{
    		font-size: 20px;
    	}
    	nav .mui-icon{
    		left:50%;
    		margin-left: -12px;
    	}
    	.mui-bar.mui-bar-nav{
    		background: #0072dc;
    	}
    </style>

</head>
<body>
	<header class="mui-bar mui-bar-nav">
		<h1 class="mui-title" id="title">消息</h1>
	</header>
	<nav class="mui-bar mui-bar-tab">		
			<a class="mui-tab-item mui-active" id="messages" href="#">				
				<i class="mui-icon iconfont">&#xe63e;<span class="mui-badge"></span></i>
				<div class="mui-tab-label">消息</div>
			</a>
			<a class="mui-tab-item" id="circle" href="#">
				<i class="mui-icon iconfont">&#xe809;</i>
				<div class="mui-tab-label">圈子</div>
			</a>
			<a class="mui-tab-item" id="follows" href="#">
				<i class="mui-icon iconfont">&#xe647;</i>
				<div class="mui-tab-label">关注</div>
			</a>
			<a class="mui-tab-item" id="mine" href="#">
				<i class="mui-icon iconfont">&#xe61c;</i>
				<div class="mui-tab-label">我的</div>
			</a>
		</nav>
		<script src="js/mui.min.js"></script>
		<script src="../../js/app.js" type="text/javascript" charset="utf-8"></script>
		<script type="text/javascript" charset="utf-8">
			 //mui初始化
			mui.init();
			var subpages = ['pages/messages/inform.html', 'pages/circle/my_circle.html', 'pages/follows/follows_trends.html', 'pages/mine/mypage.html'];
			var subpage_style = {
				top: '44px',
				bottom: '51px'
			};			
			var aniShow = {};			
			 //创建子页面，首个选项卡页面显示，其它均隐藏；
			mui.plusReady(function() {
				var self = plus.webview.currentWebview();
				for (var i = 0; i < 4; i++) { 
					var temp = {};
					var sub = plus.webview.create(subpages[i], subpages[i], subpage_style);
					if (i > 0) {
						sub.hide();
					}else{
						temp[subpages[i]] = "true";
						mui.extend(aniShow,temp);
					}
					self.append(sub);
				}
			});
			 //当前激活选项
			var activeTab = subpages[0];
			var title = document.getElementById("title");
			 //选项卡点击事件
			mui('.mui-bar-tab').on('tap', 'a', function(e) {
				var targetTab = this.getAttribute('href');
				if (targetTab == activeTab) {
					return;
				}
				//更换标题
				title.innerHTML = this.querySelector('.mui-tab-label').innerHTML;
				//显示目标选项卡
				if(mui.os.ios||aniShow[targetTab]){
					plus.webview.show(targetTab);
				}else{
					var temp = {};
					temp[targetTab] = "true";
					mui.extend(aniShow,temp);
					plus.webview.show(targetTab,"fade-in",300);
				}
				//隐藏当前;
				plus.webview.hide(activeTab);
				//更改当前活跃的选项卡
				activeTab = targetTab;
			});
			 //自定义事件，模拟点击“首页选项卡”
			document.addEventListener('gohome', function() {
				var defaultTab = document.getElementById("defaultTab");
				//模拟首页点击
				mui.trigger(defaultTab, 'tap');
				//切换选项卡高亮
				var current = document.querySelector(".mui-bar-tab>.mui-tab-item.mui-active");
				if (defaultTab !== current) {
					current.classList.remove('mui-active');
					defaultTab.classList.add('mui-active');
				}
			});
		</script>
</body>
</html>